The push for more diesel vehicles in North America is finally starting to pick up momentum from non-German automakers like Chrysler, General Motors and Mazda, but there are still hurdles automakers face in winning over American car buyers. To combat this, The Detroit News says that Volkswagen is attempting to get government officials to help level the playing field and even create incentives to promote diesel vehicles.

Last year, BorgWarner and Robert Bosch LLC founded the U.S. Coalition for Advanced Diesel Cars. For the first anniversary party, the group is present in the EDTA advanced technology section of the Washington Auto Show to announce three new menbers – Tenneco, Dow Automotive and Umicore – and to explain that the latest diesel vehicles are clean, available today and need to stop being the ignored child in federal green vehicle policy.

Oregon ran a pilot program in 2006 and 2007 that fitted 300 cars with GPS receivers, which kept track of the cars' mileage. The receivers also kept records of when the cars were on the road, noting whether they traveled during rush hour or not. When the drivers went to several specially-equipped gas stations, they paid a mileage tax based on how far they had driven and when they drove, rush hour being more expensive than the wee hours.

A gas tax is about more than putting liquid into your tank and subtracting a higher amount from your bank account. A gas tax is -- just like CAFE and hybrids and $25 billion set aside to finance fuel efficient technologies -- about reworking and redefining our entire system of private transportation. And since that system is most certainly going to redefined, it is no surprise that the National Commission on Surface Transportation Infrastructure Financing has recommended a jump in the federal fu